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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ | 5 #ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ | 6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 #include <limits> | 9 #include <limits> |
10 #include <memory> | 10 #include <memory> |
11 #include <sstream> | 11 #include <sstream> |
12 #include <string> | 12 #include <string> |
13 | 13 |
14 #include "base/containers/hash_tables.h" | 14 #include "base/containers/hash_tables.h" |
15 | 15 |
16 namespace base { | 16 namespace base { |
17 class StringValue; | 17 class StringValue; |
18 } // namespace base | 18 } |
19 | 19 |
20 namespace sql { | 20 namespace sql { |
21 class Statement; | 21 class Statement; |
22 } // namespace sql | 22 } |
23 | 23 |
24 namespace syncer { | 24 namespace syncer { |
25 namespace syncable { | 25 namespace syncable { |
26 | 26 struct EntryKernel; |
27 class Id; | 27 class Id; |
28 struct EntryKernel; | |
29 | 28 |
30 std::ostream& operator<<(std::ostream& out, const Id& id); | 29 std::ostream& operator<<(std::ostream& out, const Id& id); |
31 | 30 |
32 // For historical reasons, 3 concepts got everloaded into the Id: | 31 // For historical reasons, 3 concepts got everloaded into the Id: |
33 // 1. A unique, opaque identifier for the object. | 32 // 1. A unique, opaque identifier for the object. |
34 // 2. Flag specifing whether server know about this object. | 33 // 2. Flag specifing whether server know about this object. |
35 // 3. Flag for root. | 34 // 3. Flag for root. |
36 // | 35 // |
37 // We originally wrapped an integer for this information, but now we use a | 36 // We originally wrapped an integer for this information, but now we use a |
38 // string. It will have one of three forms: | 37 // string. It will have one of three forms: |
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94 friend std::ostream& operator<<(std::ostream& out, const Id& id); | 93 friend std::ostream& operator<<(std::ostream& out, const Id& id); |
95 friend class SyncableIdTest; | 94 friend class SyncableIdTest; |
96 | 95 |
97 std::string s_; | 96 std::string s_; |
98 }; | 97 }; |
99 | 98 |
100 } // namespace syncable | 99 } // namespace syncable |
101 } // namespace syncer | 100 } // namespace syncer |
102 | 101 |
103 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ | 102 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_ID_H_ |
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